An exercise machine with an original price of $$ 670$ is on sale at $10 %$ off.
a. What is the discount amount?
b. What is the exercise machine's sale price?
a. discount amount $= $ ◻$

Answer

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Answer

$603$ is the sale price of the exercise machine.

Steps

Step 1 ：The original price of the exercise machine is $670.

Step 2 ：The discount rate is 10%, or 0.10 in decimal form.

Step 3 ：To calculate the discount amount, we multiply the original price by the discount rate. So, the discount amount is $670 \times 0.10 = 67$ .

Step 4 ： $67$ is the discount amount.

Step 5 ：To find the sale price, we subtract the discount amount from the original price. So, the sale price is $670 - 67 = 603$ .

Step 6 ： $603$ is the sale price of the exercise machine.